diff --git a/common/model-ratio.go b/common/model-ratio.go
index 4504c5f..545c36e 100644
--- a/common/model-ratio.go
+++ b/common/model-ratio.go
@@ -115,6 +115,7 @@ var defaultModelRatio = map[string]float64{
 	"SparkDesk-v2.1":                 1.2858, // ￥0.018 / 1k tokens
 	"SparkDesk-v3.1":                 1.2858, // ￥0.018 / 1k tokens
 	"SparkDesk-v3.5":                 1.2858, // ￥0.018 / 1k tokens
+	"SparkDesk-v4.0":                 1.2858,
 	"360GPT_S2_V9":                   0.8572, // ¥0.012 / 1k tokens
 	"360gpt-turbo":                   0.0858, // ¥0.0012 / 1k tokens
 	"360gpt-turbo-responsibility-8k": 0.8572, // ¥0.012 / 1k tokens
diff --git a/relay/channel/xunfei/constants.go b/relay/channel/xunfei/constants.go
index 80bed08..e19f011 100644
--- a/relay/channel/xunfei/constants.go
+++ b/relay/channel/xunfei/constants.go
@@ -6,6 +6,7 @@ var ModelList = []string{
 	"SparkDesk-v2.1",
 	"SparkDesk-v3.1",
 	"SparkDesk-v3.5",
+	"SparkDesk-v4.0",
 }
 
 var ChannelName = "xunfei"
diff --git a/relay/channel/xunfei/relay-xunfei.go b/relay/channel/xunfei/relay-xunfei.go
index 7cb6c8a..fdcda5d 100644
--- a/relay/channel/xunfei/relay-xunfei.go
+++ b/relay/channel/xunfei/relay-xunfei.go
@@ -252,6 +252,8 @@ func apiVersion2domain(apiVersion string) string {
 		return "generalv3"
 	case "v3.5":
 		return "generalv3.5"
+	case "v4.0":
+		return "4.0Ultra"
 	}
 	return "general" + apiVersion
 }